21635208

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:412

約数の個数: 128

約数和(自身を含む): 70560000

約数和(自身を除く): 48924792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 41, 42, 54, 56, 63, 72, 82, 84, 108, 123, 126, 164, 168, 189, 216, 246, 252, 287, 328, 349, 369, 378, 492, 504, 574, 698, 738, 756, 861, 984, 1047, 1107, 1148, 1396, 1476, 1512, 1722, 2094, 2214, 2296, 2443, 2583, 2792, 2952, 3141, 3444, 4188, 4428, 4886, 5166, 6282, 6888, 7329, 7749, 8376, 8856, 9423, 9772, 10332, 12564, 14309, 14658, 15498, 18846, 19544, 20664, 21987, 25128, 28618, 29316, 30996, 37692, 42927, 43974, 57236, 58632, 61992, 65961, 75384, 85854, 87948, 100163, 114472, 128781, 131922, 171708, 175896, 200326, 257562, 263844, 300489, 343416, 386343, 400652, 515124, 527688, 600978, 772686, 801304, 901467, 1030248, 1201956, 1545372, 1802934, 2403912, 2704401, 3090744, 3605868, 5408802, 7211736, 10817604, 21635208]

約数ペア:

[(1, 21635208), (2, 10817604), (3, 7211736), (4, 5408802), (6, 3605868), (7, 3090744), (8, 2704401), (9, 2403912), (12, 1802934), (14, 1545372), (18, 1201956), (21, 1030248), (24, 901467), (27, 801304), (28, 772686), (36, 600978), (41, 527688), (42, 515124), (54, 400652), (56, 386343), (63, 343416), (72, 300489), (82, 263844), (84, 257562), (108, 200326), (123, 175896), (126, 171708), (164, 131922), (168, 128781), (189, 114472), (216, 100163), (246, 87948), (252, 85854), (287, 75384), (328, 65961), (349, 61992), (369, 58632), (378, 57236), (492, 43974), (504, 42927), (574, 37692), (698, 30996), (738, 29316), (756, 28618), (861, 25128), (984, 21987), (1047, 20664), (1107, 19544), (1148, 18846), (1396, 15498), (1476, 14658), (1512, 14309), (1722, 12564), (2094, 10332), (2214, 9772), (2296, 9423), (2443, 8856), (2583, 8376), (2792, 7749), (2952, 7329), (3141, 6888), (3444, 6282), (4188, 5166), (4428, 4886)]